Fitch Ratings on April 13 assigned long- and short-term foreign-currency issuer default ratings of BBB-/F3 andlong- and short-term local-currency issuer default ratings of BBB/F3.

The company was also assigned a viability rating of"bbb-," a national long-term rating of AAA(tur), a support rating of2 and a support rating floor of BBB-. The long-termratings all carry a stable outlook.

Fitch said the viability rating takes into account theunique infrastructure of the company, which is Turkey's only central clearingcounterparty, as well as its rigorous risk controls and counterparty riskmanagement, satisfactory capitalization and leverage and solid funding andliquidity profile. The rating also takes into account the moderate credit riskthat is part of the company's considerable treasury activities, as well asconcentration risks in its central clearing counterparty activities.